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libstdc++ depends on libm on some platforms

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This commit is contained in:
Martin Lucina 2010-02-18 19:27:15 +01:00
parent 495f0d105f
commit ab27f84b14
1 changed files with 3 additions and 1 deletions
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4
configure.in
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@ -58,8 +58,10 @@ AC_PROG_AWK
AC_CHECK_LIB([pthread], [pthread_create]) AC_CHECK_LIB([pthread], [pthread_create])
# If using GNU C++, libstdc++ must be available. # If using GNU C++, libstdc++ must be available.
if test "x$GXX" = "xyes"; then if test "x$GXX" = "xyes"; then
# libstdc++ depends on libm on some platforms
AC_CHECK_LIB([m], [main])
AC_CHECK_LIB([stdc++], [main], , AC_CHECK_LIB([stdc++], [main], ,
[AC_MSG_ERROR([cannot link with -lstdc++])], [-lm]) [AC_MSG_ERROR([cannot link with -lstdc++])])
fi fi
# Extra CXXFLAGS are appended at the end of CXXFLAGS for libzmq. # Extra CXXFLAGS are appended at the end of CXXFLAGS for libzmq.